Giant Ceiling Clock

When Realities United, an architectural design company, was put to the task of building a creative lighting design in a building in New York they sure did. They decided to use industrial fluorescent bulbs to create a clock to display the time which served as both a light source for the room and an information display. It uses two seven segment displays, designed to look like a giant LCD clock, to display the time in minutes. What I want is this concept to be implemented into a room, act as an alarm clock, and then flash to wake you up (just a thought)